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Attempt to track CPU usage of libuv worker threads.

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git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@4198 ed5197a5-7fde-0310-b194-c3ffbd925b24
This commit is contained in:
Cory McWilliams
2023-03-01 01:36:26 +00:00
parent 1e3807bcb9
commit 262b0e5e52
5 changed files with 64 additions and 1 deletions
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7
src/ssb.js.c
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@ -343,6 +343,9 @@ typedef struct _sql_work_t
{
uv_work_t request;
tf_ssb_t* ssb;
uv_thread_t thread_id;
uint64_t start_time;
uint64_t end_time;
const char* query;
uint8_t* binds;
size_t binds_count;
@ -364,6 +367,8 @@ static void _tf_ssb_sql_append(uint8_t** rows, size_t* rows_count, const void* d
static void _tf_ssb_sqlAsync_work(uv_work_t* work)
{
sql_work_t* sql_work = work->data;
sql_work->start_time = uv_hrtime();
sql_work->thread_id = uv_thread_self();
sqlite3* db = tf_ssb_acquire_db_reader(sql_work->ssb);
sqlite3_stmt* statement = NULL;
sql_work->result = sqlite3_prepare(db, sql_work->query, -1, &statement, NULL);
@ -459,11 +464,13 @@ static void _tf_ssb_sqlAsync_work(uv_work_t* work)
sql_work->error = tf_strdup(sqlite3_errmsg(db));
}
tf_ssb_release_db_reader(sql_work->ssb, db);
sql_work->end_time = uv_hrtime();
}
static void _tf_ssb_sqlAsync_after_work(uv_work_t* work, int status)
{
sql_work_t* sql_work = work->data;
tf_ssb_record_thread_time(sql_work->ssb, (int64_t)sql_work->thread_id, sql_work->end_time - sql_work->start_time);
JSContext* context = tf_ssb_get_context(sql_work->ssb);
uint8_t* p = sql_work->rows;
while (p < sql_work->rows + sql_work->rows_count)